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Climate historian Astrid Ogilvie on sea-ice stories from Iceland and Labrador

How Antarctic land ice is changing

NASA's OMG and Operation IceBridge missions are investigating the thinning of Greenland's ice sheets from both above and below.

Scientists have developed a new model to predict the sea ice minimum extent, using historical measurements and real-time satellite data.

The sea ice cap changes minimum summertime extent, which typically occurs in September, has been decreasing for decades at a rapid pace.